zeinaalami08 zeinaalami08

04-03-2021
Physics

contestada

How fast is a 90kg man running if his kinetic energy is 720 J?

Respuesta :

lolzyuh lolzyuh

04-03-2021

Answer:
4 m/s
Explanation:
KE=1/2mv^2
720=1/2(90)
720=45v^2
divide by 45
16= v^2
over the square root
4=v
v= 4m/s

Answer Link

Otras preguntas

If you had the option to participate in class without having to worry about being singled out or ridiculed for giving the wrong answer, wouldn't you be more li

(02.02 MC) Compared to ultraviolet light, an electromagnetic wave that has a higher frequency will also have ________. (4 points) Group of answer choices longer

A line passes through (6,3),(8,4),and (n,-2). Find the value of n. please help :)

Which polis is considered the birthplace of democracy A. Athens B.Corinth C.Sparta D.Thebes

How did the French Revolution affect the American economy? A. American merchants profited handsomely from the war that resulted from it. B. French warships des

Consider two concentric cylinders with a Newtonian liquid of constant density, r, and constant dynamic viscosity, µ, contained between them. The outer pipe, wit

Tomas lopez is a computer technician he earns 16.75 per hour.last es el he earned 636.50 straight time pau

WHAT ARE THE CHARACTERISTICS OF AN ATOM?

write a story that has a diffrence of 432,906 and 61,827

evaulate the expression -3/2×(-8/3)